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Many reasons might cause this error but the solution is simple.


Doctrine\ORM\ORMException exception "The EntityManager is closed".

The most common causes

Example solution

public function doSoemthing()
// ....
$this->em = $this->refreshEntityManager($this->em);
// ....

* @param $em EntityManager
* @return EntityManager
private function refreshEntityManager(EntityManager $em)
if (!$em->isOpen()) {
$em = $em->create($em->getConnection(), $em->getConfiguration());

return $em;